Migrate to GitHub Actions.

.github/workflows/test-deploy.yml

@@ -0,0 +1,100 @@
+name: "Test and Deploy"
+
+on:
+  push:
+    branches:
+      - master
+      - soroban
+  pull_request:
+  release:
+    types:
+      - created
+
+env:
+  JAVA_VERSION: '11'
+  JAVA_DISTRIBUTION: 'microsoft'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+      - name: Test
+        run: ./gradlew check
+
+  shadow_jar:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+      - name: Build JAR
+        run: ./gradlew shadowJar
+      - name: Persist JAR Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: jar
+          path: build/libs/stellar-sdk.jar
+
+  javadoc:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+      - name: Generate Documentation
+        run: ./gradlew javadoc
+      - name: Persist Documentation
+        uses: actions/upload-artifact@v3
+        with:
+          name: javadoc
+          path: javadoc
+
+  deploy:
+    needs: [ shadow_jar, javadoc ]
+    permissions:
+      contents: write
+    if: github.event_name == 'release' && github.event.action == 'created'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Download JAR Artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: jar
+          path: jar
+      - name: Download Java Documentation
+        uses: actions/download-artifact@v2
+        with:
+          name: javadoc
+          path: javadoc
+      - name: Archive Documentation
+        run: tar -czf stellar-sdk-javadoc.tar.gz javadoc
+      - name: Upload artifacts to GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            jar/stellar-sdk.jar
+            stellar-sdk-javadoc.tar.gz
+      - name: Upload Documentation to GitHub Pages
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: javadoc
+

build.gradle

@@ -102,4 +102,16 @@ tasks.register('updateGitHook', Copy) {
     rename { fileName ->
         fileName.endsWith('.sh') ? fileName[0..-4] : fileName
     }
+}
+
+tasks.javadoc {
+    destinationDir = file('javadoc')
+    failOnError = true
+    exclude("org/stellar/sdk/xdr/**")
+    // cast options to StandardJavadocDocletOptions
+    // https://docs.gradle.org/current/javadoc/org/gradle/external/javadoc/StandardJavadocDocletOptions.html
+    StandardJavadocDocletOptions options = options as StandardJavadocDocletOptions
+    options.setSplitIndex(true)
+    options.setMemberLevel(JavadocMemberLevel.PUBLIC)
+    options.setEncoding('UTF-8')
 }

src/main/java/org/stellar/sdk/KeyPair.java

@@ -266,8 +266,8 @@ public DecoratedSignature signDecorated(byte[] data) {
   /**
    * Sign the provided payload data for payload signer where the input is the data being signed. Per
    * the <a
-   * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0040.md#signature-hint"
-   * CAP-40 Signature spec</a> {@link DecoratedSignature}.
+   * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0040.md#signature-hint">CAP-40
+   * Signature spec</a> {@link DecoratedSignature}.
    *
    * @param signerPayload the payload signers raw data to sign
    * @return DecoratedSignature

src/main/java/org/stellar/sdk/LedgerBounds.java

@@ -8,7 +8,7 @@
 @lombok.Builder
 /**
  * LedgerBounds are Preconditions of a transaction per <a
- * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21<a/>
+ * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21</a>
  */
 public class LedgerBounds {
   long minLedger;

src/main/java/org/stellar/sdk/SignedPayloadSigner.java

@@ -9,8 +9,8 @@
 
 /**
  * Data model for the <a
- * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0040.md#xdr-changes">signed
- * payload signer </a>
+ * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0040.md#xdr-changes"
+ * target="_blank">signed payload signer</a>
  */
 public class SignedPayloadSigner {
   public static final int SIGNED_PAYLOAD_MAX_PAYLOAD_LENGTH = 64;
@@ -72,7 +72,8 @@ public AccountID getSignerAccountId() {
    * get the payload that signatures are produced from.
    *
    * @see <a
-   *     href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0040.md#semantics"/>
+   *     href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0040.md#semantics">CAP-0040
+   *     Semantics</a>
    * @return
    */
   public byte[] getPayload() {

src/main/java/org/stellar/sdk/SorobanServer.java

@@ -340,7 +340,7 @@ public SimulateTransactionResponse simulateTransaction(Transaction transaction)
    * Submit a trial contract invocation, first run a simulation of the contract invocation as
    * defined on the incoming transaction, and apply the results to a new copy of the transaction
    * which is then returned. Setting the ledger footprint and authorization, so the resulting
-   * transaction is ready for signing & sending.
+   * transaction is ready for signing and sending.
    *
    * <p>The returned transaction will also have an updated fee that is the sum of fee set on
    * incoming transaction with the contract resource fees estimated from simulation. It is advisable

src/main/java/org/stellar/sdk/TransactionBuilder.java

@@ -89,7 +89,7 @@ public TransactionBuilder addOperations(Collection<Operation> operations) {
 
   /**
    * Adds preconditions. For details of all preconditions on transaction refer to <a
-   * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21<a/>
+   * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21</a>
    *
    * @param preconditions the tx PreConditions
    * @return updated Builder object

src/main/java/org/stellar/sdk/TransactionPreconditions.java

@@ -23,7 +23,7 @@
 @Builder(toBuilder = true)
 /**
  * Preconditions of a transaction per <a
- * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21<a/>
+ * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21</a>
  */
 public class TransactionPreconditions {
   public static final long MAX_EXTRA_SIGNERS_COUNT = 2;

src/main/java/org/stellar/sdk/requests/AccountsRequestBuilder.java

@@ -96,7 +96,7 @@ public AccountsRequestBuilder forAsset(AssetTypeCreditAlphaNum asset) {
   /**
    * Returns all accounts who have trustlines to the specified liquidity pool.
    *
-   * @param Liquidity Pool ID
+   * @param liquidityPoolID Liquidity Pool ID
    * @return current {@link AccountsRequestBuilder} instance
    * @see <a href="https://developers.stellar.org/api/resources/accounts/list/">Accounts</a>
    */
@@ -107,7 +107,7 @@ public AccountsRequestBuilder forLiquidityPool(LiquidityPoolID liquidityPoolID)
   /**
    * Returns all accounts who have trustlines to the specified liquidity pool.
    *
-   * @param Liquidity Pool ID
+   * @param liquidityPoolID Liquidity Pool ID
    * @return current {@link AccountsRequestBuilder} instance
    * @see <a href="https://developers.stellar.org/api/resources/accounts/list/">Accounts</a>
    */

src/main/java/org/stellar/sdk/requests/sorobanrpc/SorobanRpcErrorResponse.java

@@ -6,7 +6,7 @@
  * Throws when Soroban-RPC instance responds with error.
  *
  * @see <a href="https://www.jsonrpc.org/specification#error_object" target="_blank">JSON-RPC 2.0
- *     Specification - Error object<a>
+ *     Specification - Error object</a>
  */
 @Getter
 public class SorobanRpcErrorResponse extends Exception {

src/main/java/org/stellar/sdk/requests/sorobanrpc/SorobanRpcRequest.java

@@ -8,7 +8,7 @@
  * Represent the request sent to Soroban-RPC.
  *
  * @see <a href="https://www.jsonrpc.org/specification#request_object" target="_blank">JSON-RPC 2.0
- *     Specification - Request object<a>
+ *     Specification - Request object</a>
  */
 @RequiredArgsConstructor
 @Value

src/main/java/org/stellar/sdk/responses/TransactionResponse.java

@@ -197,7 +197,7 @@ public Links getLinks() {
 
   /**
    * Preconditions of a transaction per <a
-   * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21<a/>
+   * href="https://github.com/stellar/stellar-protocol/blob/master/core/cap-0021.md#specification">CAP-21</a>
    */
   @Value
   public static class Preconditions {

src/main/java/org/stellar/sdk/responses/sorobanrpc/SorobanRpcResponse.java

@@ -10,7 +10,7 @@
  * Represent the response returned by Soroban-RPC.
  *
  * @see <a href="https://www.jsonrpc.org/specification#response_object" target="_blank">JSON-RPC 2.0
- *     Specification - Response object<a>
+ *     Specification - Response object</a>
  */
 @AllArgsConstructor
 @Getter